Fusion Based Energy Detection in Cognitive Radio Networks

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Provided by: IRD India
Topic: Networking
Format: PDF
Due to the increase in the usage of wireless devices and the consequent spectrum allocation, radio spectrum is becoming scarce. Cognitive Radio (CR) has been proposed to exploit the presence of the spectrum holes. To use the unused spectrum, spectrum sensing is need to know if the primary user (licensed user) exist or not where the spectrum sensing problem has gained new aspects with cognitive radio and opportunistic spectrum access concepts. It is one of the most important operations of cognitive radio, determines the efficiency with which the secondary users or Cognitive Users (CU) can use the primary spectrum, without causing appreciable interference to the primary users.
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